20101222120010 has 16 divisors (see below), whose sum is σ = 36201517628616. Its totient is φ = 8036196000768.

The previous prime is 20101222120009. The next prime is 20101222120039. The reversal of 20101222120010 is 1002122210102.

It can be written as a sum of positive squares in 4 ways, for example, as 5928986372401 + 14172235747609 = 2434951^2 + 3764603^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536586239 + ... + 536623698.

Almost surely, 2^{20101222120010} is an apocalyptic number.

20101222120010 is a deficient number, since it is larger than the sum of its proper divisors (16100295508606).

20101222120010 is a wasteful number, since it uses less digits than its factorization.

20101222120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073211817.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20101222120010 its reverse (1002122210102), we get a palindrome (21103344330112).

The spelling of 20101222120010 in words is "twenty trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty thousand, ten".